Wednesday, November 01, 2017

The Tobruk harbor, shelling and air raids

Tobruk harbor was shelled starting on 22 August 1941 and lasted for two days. The first rounds were fired by a battery of German 105mm guns. They fired at long range (about 20,000 yards). More rounds were fired by some 155mm guns similar to what the Australians had previously called "Bardia Bill". They fired from east of the fortress. The British artillery replied with their very efficient counter-battery fire. That stopped the incoming fire on the harbor and fortress until 27 August. On that day, the harbor received about 60 rounds, that in the face of heavy counter-battery fire. In the afternoon on the 27th, the harbor was hit by an air attack. The attackers were some forty bombers and three fighters. They hit not only the harbor but the heavy anti-aircraft gun sites. One casualty of the attack was the whaler Skudd 3 which was sunk. The attacking aircraft had three planes shot down, six more heavily damaged, and many more with some damage.
Late August 1941 and into September included many more air attacks. The attacks were increasingly focused on hitting the anti-aircraft gun sites. The Ju-87 dive bombers (known as Stukas). The attack on 27 August included 35 Stukas. During August 1941, the air defenses at Tobruk fired on about 600 aircraft. 1 September saw a very heavy raid directed at the air defenses. The attackers had some 140 aircraft and the attack lasted about 15 minutes. Two heavy anti-aircraft guns were bombed by 30 Stukas. Level bombers attacked a third gun and dropped about fifty bombs on the site. Field guns were also attacked by another fifteen Stukas. Base areas were attacked by more high-level bombers. The forward defenses on the perimeter were also bombed by high-level bombers. Some of the bombs even hit German or Italian positions. The infantry fired (probably ineffectively) large amounts of small arms and machine gun rounds. Many of the heavy anti-aircraft guns were 3.7in guns, the most modern British heavy anti-aircraft gun. Those guns fired 1,006 rounds in the raid on 1 September. There were a few 102mm guns which fired 111 rounds. The light guns also saw action. The 40mm Bofors guns fired about 1,200 rounds. The 20mm Oerlikon guns fired some 3,000 rounds during the attack. Casualties included one gunner killed and six wounded. Five of the heavy guns were out of action for about four hours after the attack. They believed that they had shot down as many as four enemy aircraft, although they only saw one actually crash. An indication that the defensive fire was pretty effective was that the enemy did not use any more Stukas against Tobruk for the rest of September 1941. This description is based on the account in Vol.III of the Australian Official History.

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